CN102443322B - Paint composition and coating product prepared from same - Google Patents
Paint composition and coating product prepared from same Download PDFInfo
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- CN102443322B CN102443322B CN201010513987.9A CN201010513987A CN102443322B CN 102443322 B CN102443322 B CN 102443322B CN 201010513987 A CN201010513987 A CN 201010513987A CN 102443322 B CN102443322 B CN 102443322B
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Abstract
The invention provides a paint composition which comprises the following components, based on the total weight of the composition, a) 30-70wt% of solvent, b) 5-20wt% of styrene-butadiene rubber and styrene-butadiene copolymer rubber, c) 2-15wt% of petroleum resin, d) 10-40wt% of filler and e) 1-5wt% of thickener. The invention also provides a product having a coating prepared from the paint composition.
Description
Technical field
The coated products that the present invention relates to a kind of coating composition and made by it, relates in particular to a kind of automobile chassis protection coating composition and the automobile chassis with the coating of this coating composition.
Background technology
Because automobile chassis is positioned at bottom of car, directly in the face of road surface, suffer for a long time salt branch in impact, especially water and the snow-broth of road ponding, mud, rubble etc. the chassis of automobile to be played to the effect of corrosion, therefore the protection of automobile chassis is become to extremely important.Therefore, on automobile chassis, be coated with last layer coating, to improve drive safety.Desirable automobile chassis coating composition should provide good protection against corrosion, scrape resistant, ageing resistance for automobile chassis, can standing storage and be preferably easy to coating.In addition, automobile chassis coating composition also must adhere to well with conventional primer coating.This class primer coating is to be generally attached on metal base with electrodip process.
At present still need to develop a kind of automobile chassis coating composition that can meet above-mentioned requirements.
Summary of the invention
The features such as the invention provides a kind of rubber-type coating composition, this coating composition has quick-drying, and adhesive power is good, can improve chassis scratch resistance, ageing resistance, rust-preventing characteristic significantly.In addition, the particularly preferred coating composition of the present invention is also easy to coating.
Thus, first aspect of the present invention provides a kind of coating composition, and based on the gross weight of composition, it comprises:
A) solvent of 30-70 % by weight;
B) SBR of 5-20 % by weight (styrene-butadiene rubber(SBR)) and SBS (styrene butadiene interpolymer) rubber composition;
C) petroleum resin of 2-15 % by weight;
D) filler of 10-40 % by weight; With
E) thickening material of 1-5 % by weight.
Be applicable to solvent of the present invention and include but not limited to alkane solvents, aromatic solvent, is preferably the mixture of dimethylbenzene and heptane, the more preferably mixture of dimethylbenzene and the heptane weight ratio from 1: 5 to 1: 15.The content of solvent in coating composition of the present invention is 30-70 % by weight, preferably 30-50 % by weight, more preferably 35-50 % by weight, further preferred 35-45 % by weight.
Be applicable to rubber of the present invention by SBR (styrene-butadiene rubber(SBR)) and SBS (styrene butadiene interpolymer, as styrene-butadiene-styrene block copolymer) composition.Preferred SBR is styrene-butadiene rubber(SBR), by 1,3-divinyl and the styrene copolymerized elastomerics making, molecular formula is :-[CH2-CH=CH-CH2-CH (C6H5)-CH2]-n, the example includes but not limited to AmeripolSynpol SBR 1009AF, 1009,4503 (International Specialty Products Corp.); styrene butadiene rubber sbr-1500 (PetroChina Company Limited. North China), styrene-butadiene rubber(SBR) 1778 (Qilu Petrochemical).Preferred SBS is styrene series thermoplastic elastomer (being called again styrene block copolymer Styreneic BlockCopolymers), the example includes but not limited to KRATON POLYMERS SBS D SERIESPRODUCTS, YH 791 (China Petroleum Chemicals Corporation), Kraton 1102KT Rubbe (Ke Teng company limited).The total content of rubber in coating composition of the present invention is 5-20 % by weight, preferably 5-15 % by weight, more preferably 7-15 % by weight.According to some preferred embodiment, coating composition of the present invention contains b1) 5-20 % by weight, preferably 5-15 % by weight, the more preferably styrene-butadiene rubber(SBR) of 7-15 % by weight; And b2) 1-5 % by weight, preferably the styrene-butadiene-styrene rubber of 1-3 % by weight.
Be applicable to filler of the present invention and include but not limited to the mineral fillers such as metal oxide, for example, talcum powder, mica powder etc., be particularly preferably mica powder.Use mica powder to obtain all outstanding especially coating compositions of various aspects of performance as filler.
The content of filler in coating composition of the present invention is 10-40 % by weight, preferably 10-35 % by weight, more preferably 15-30 % by weight.
As required, coating composition of the present invention can contain or not contain petroleum resin.Applicable petroleum resin include but not limited to C5-C9 petroleum resin, preferably C5 petroleum resin.The content of petroleum resin in coating composition of the present invention is 2-15 % by weight, preferably 5-15 % by weight, more preferably 10-15 % by weight.
Be applicable to thickening material of the present invention and include but not limited to swelling great soil group thickening material, be preferably modified alta-mud.The content of thickening material in coating composition of the present invention is 1-5 % by weight, preferably 1-3 % by weight, more preferably 1-2 % by weight.
According to some preferred embodiment, coating composition of the present invention, based on the gross weight of composition, comprises:
A) solvent of 30-50 % by weight;
B1) styrene-butadiene rubber(SBR) of 5-20 % by weight;
B2) the styrene-butadiene-styrene rubber of 1-5 % by weight;
C) petroleum resin of 5-15 % by weight;
D) filler of 10-40 % by weight; With
E) thickening material of 1-5 % by weight.
According to some particularly preferred embodiment, coating composition of the present invention, based on the gross weight of composition, comprises:
A) solvent of 30-50 % by weight;
B1) styrene-butadiene rubber(SBR) of 5-20 % by weight;
B2) the styrene-butadiene-styrene rubber of 1-5 % by weight;
C) petroleum resin of 10-15 % by weight;
D) mica powder of 10-40 % by weight; With
E) wilkinite of 1-5 % by weight.
Second aspect of the present invention provides a kind of goods, for example automobile chassis, and it is with the coating being formed by coating composition of the present invention.
Coating composition of the present invention can easily be prepared by the hybrid mode of various routines.In embodiment, provide concrete preparation method's example.
Coating composition of the present invention can easily be coated with by the coating method of various routines.Applicable coating method includes but not limited to compressed air spraying, inhalator jar spraying, hardened coating etc.
Embodiment
Below in conjunction with embodiment, the present invention is carried out to more detailed explanation.It may be noted that these embodiment are only to illustrative explanation of the present invention, do not form any limitation of the invention.Unless specialized, all by weight, the temperature of employing all refers to degree Celsius for the per-cent that adopts in the present invention, content, ratio etc.
The raw material adopting in embodiment is summarised in following table 1:
Table 1: starting material list
Embodiment 1-13:
Note: following per-cent is weight percentage.
According to formula shown in following table 2, raw material is joined in reactor at normal temperatures and pressures successively, fully stir, until stir as homogeneous phase.
2. test sample book preparation method:
A. under normal temperature and pressure, according to formula shown in table 2, raw material is joined in reactor successively, start high-speed stirring, until stir as homogeneous phase.
B. the coating of preparing in a is sprayed on steel plate, jet length is 30cm, and compressed air pressure is 7Kg/cm
2.
C. dry sample at room temperature, dry after 3 days, test.
3. testing method:
A. adhesive power
Testing method: with reference to ASTM 3359,3M 610 adhesive tapes are adhered in test sample book, with hand with 180 degree angles, cut open fast from, observation test sample by adhesive tape cut open from part.Evaluation criteria is as shown in table 3 below.
Table 3: judge adhesive power grade standard
B. surface drying time
Testing method: in 2 (test sample book preparation methods), start well timing from firm spraying in the above, use the sample surfaces of separate-type paper contact spraying, until separate-type paper is not stained with coating, the surface drying time that this time is coating.
C. the scratch-resistant wiping power of coatingsurface
Testing method: with reference to ASTM D 3170, the test sample making in 2 (test sample book preparation methods) is above put in rubble Apparatus for Impacting at low-temp, evaluation criteria is as shown in table 4 below:
Table 4: scratch-resistant wiping power grading standard
| Grade | Number comes off |
| 10 | 0 |
| 9 | 1 |
| 8 | 2-4 |
| 7 | 5-9 |
| 6 | 10-24 |
| 5 | 25-49 |
| 4 | 50-74 |
| 3 | 75-99 |
| 2 | 100-149 |
| 1 | 150-250 |
| 0 | ＞250 |
D. salt-fog test
Testing method: with reference to ASTMB117, the test sample making in 2 (test sample book preparation methods) is above placed 600 hours in the salt fog cabinet of 5% salt concn, and salt fog cabinet temperature is 38 ± 2 ℃, 600 hours, taking-up observes whether coating has foaming, comes off.
E. burn-in test
Testing method: with reference to GB/T 1603, the test sample making in 2 (test sample book preparation methods) is above placed one month under 50 ℃ of aging temperatures.
Table 5: test result
The composition that embodiment 1-13 obtains all has good adhesive power, scratch-resistant wiping power, surface drying speed and SaltSprayTest result, but the layering after burn-in test of the composition of embodiment 1, and spraying property reduces, and is prone to stifled rifle phenomenon.For embodiment 2-3, spraying ability increases, but impact resistance declines to some extent.For embodiment 4-13, respectively with polymeric amide, aerosil, modified alta-mud is thickening material.The ratio control of thickening material is in the time of 1-2%, and product expression goes out good spraying property, but the ratio of thickening material is while meeting or exceeding 3%, and product spraying property reduces.For embodiment 4,5,7,8,13 burn-in tests are after one month, and viscosity rise is very fast, and spraying property declines, but still has good spraying property.For embodiment 10,11, burn-in test is after one month, and viscosity changes little, still has good spraying property.
Claims (22)
1. a coating composition, based on the gross weight of composition, it comprises:
A) solvent of 30-70 % by weight;
B) total content is styrene-butadiene rubber(SBR) and the styrene butadiene interpolymer rubber of 5-20 % by weight;
C) petroleum resin of 2-15 % by weight;
D) filler of 10-40 % by weight; With
E) thickening material of 1-5 % by weight.
2. according to the composition of claim 1, wherein said solvent is the mixture of weight ratio scope from 1: 5 to 1: 15 of dimethylbenzene and heptane.
3. according to the composition of claim 1, the content of wherein said solvent in described coating composition is 35-45 % by weight.
4. according to the composition of claim 1, wherein said styrene-butadiene rubber(SBR) and the content of styrene butadiene interpolymer in coating composition are 5-15 % by weight.
5. according to the composition of claim 1, wherein said styrene-butadiene rubber(SBR) and the content of styrene butadiene interpolymer in coating composition are 7-15 % by weight.
6. according to the composition of claim 1, wherein said filler is metal oxide.
7. according to the composition of claim 1, wherein said filler is mica powder.
8. according to the composition of claim 1, the content of wherein said filler in coating composition is 10-35 % by weight.
9. according to the composition of claim 1, the content of wherein said filler in coating composition is 15-30 % by weight.
10. according to the composition of claim 1, wherein said petroleum resin are selected from C5-C9 petroleum resin.
11. according to the composition of claim 1, and wherein said petroleum resin are C5 petroleum resin.
12. according to the composition of claim 1, and the content of wherein said petroleum resin in coating composition of the present invention is 5-15 % by weight.
13. according to the composition of claim 1, and the content of wherein said petroleum resin in coating composition of the present invention is 10-15 % by weight.
14. according to the composition of claim 1, and wherein said thickening material is swelling great soil group thickening material.
15. according to the composition of claim 1, and wherein said thickening material is modified alta-mud.
16. according to the composition of claim 1, and the content of wherein said thickening material in coating composition is 1-3 % by weight.
17. according to the composition of claim 1, and the content of wherein said thickening material in coating composition is 1-2 % by weight.
18. according to the composition of claim 1, the styrene-butadiene-styrene rubber of the styrene-butadiene rubber(SBR) that wherein said composition contains 5-20 % by weight and 1-5 % by weight.
19. according to the composition of claim 18, based on the gross weight of composition, and the described petroleum resin that described composition comprises 10-15 % by weight.
20. according to the composition of claim 19, and wherein said filler is mica powder, and described thickening material is wilkinite.
21. 1 kinds of goods, it is with the coating being formed by the coating composition of claim 1-20 any one.
The goods of 22. claims 21, it is automobile chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010513987.9A CN102443322B (en) | 2010-10-12 | 2010-10-12 | Paint composition and coating product prepared from same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010513987.9A CN102443322B (en) | 2010-10-12 | 2010-10-12 | Paint composition and coating product prepared from same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102443322A CN102443322A (en) | 2012-05-09 |
| CN102443322B true CN102443322B (en) | 2014-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010513987.9A Expired - Fee Related CN102443322B (en) | 2010-10-12 | 2010-10-12 | Paint composition and coating product prepared from same |
Country Status (1)
| Country | Link |
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| CN (1) | CN102443322B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103305077A (en) * | 2013-05-28 | 2013-09-18 | 济宁恒泰机械有限公司 | Coating with protection and color alteration functions |
| CN103382323B (en) * | 2013-07-08 | 2016-02-24 | 苏州新奇迅网络有限公司 | Outdoor facilities Cold resistant paint and preparation method thereof |
| CN104512480A (en) * | 2013-09-28 | 2015-04-15 | 江苏锋华车辆科技有限公司 | Wear-resistant coating for automobile |
| CN105062226A (en) * | 2015-09-18 | 2015-11-18 | 启东市春江聚氨酯有限公司 | Paint for automobile chassis |
| CN106280728B (en) * | 2016-08-08 | 2018-07-06 | 北京天山新材料技术有限公司 | A kind of coating composition comprising butadiene-styrene rubber and preparation method and application |
| CN108329873A (en) * | 2017-01-19 | 2018-07-27 | 南宝树脂化学工厂股份有限公司 | Quick-dry type glue for building and its preparation method and application suitable for low temperature |
| CN107629557A (en) * | 2017-09-30 | 2018-01-26 | 浙江瀚镪自动化设备股份有限公司 | A kind of belt conveyor belt surface coating paste |
| CN107502009B (en) * | 2017-09-30 | 2019-06-25 | 浙江瀚镪自动化设备股份有限公司 | A kind of preparation method of manipulator surface covering |
| CN107502008A (en) * | 2017-09-30 | 2017-12-22 | 浙江瀚镪自动化设备股份有限公司 | A kind of preparation method of belt conveyor belt covercoat paste |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5132183A (en) * | 1989-06-20 | 1992-07-21 | W. R. Grace & Co.-Conn. | Compositions and methods for waterproofing structures formed from water-penetrable construction materials |
| CN101074345A (en) * | 2007-06-22 | 2007-11-21 | 郑州大学 | Color SBS modified waterproof asphalt material |
-
2010
- 2010-10-12 CN CN201010513987.9A patent/CN102443322B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5132183A (en) * | 1989-06-20 | 1992-07-21 | W. R. Grace & Co.-Conn. | Compositions and methods for waterproofing structures formed from water-penetrable construction materials |
| CN101074345A (en) * | 2007-06-22 | 2007-11-21 | 郑州大学 | Color SBS modified waterproof asphalt material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102443322A (en) | 2012-05-09 |
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Granted publication date: 20140618 Termination date: 20211012 |